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Finding the Third Proportional to 808,160 and 1,212,240

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Solution

The third proportional to 808,160 and 1,212,240 is: 1,818,360

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,160 : 1,212,240 = 1,212,240 : x
  2. Step 2: Convert to fraction form
    808,160/1,212,240 = 1,212,240/x
  3. Step 3: Cross multiply
    808,160x = 1,212,240 × 1,212,240
  4. Step 4: Simplify right side
    808,160x = 1,469,525,817,600
  5. Step 5: Solve for x
    x = 1,469,525,817,600/808,160
  6. Step 6: Final answer
    x = 1,818,360

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.